Write the resonance structures for $SO_{3}$,$NO_{2}$ and $NO_{3}^{-}$.
(N/A) The resonance structures are represented by the following diagrams:
$1$. For $SO_{3}$:
$[:O=S(-O:)(-O:)] \leftrightarrow [:O-S(=O:)(-O:)] \leftrightarrow [:O-S(-O:)(=O:)]$
$2$. For $NO_{2}$:
$[:O=N-O:] \leftrightarrow [:O-N=O:]$
$3$. For $NO_{3}^{-}$:
$[:O^{-}-N(=O:)(-O:)] \leftrightarrow [:O=N(-O^{-})(-O:)] \leftrightarrow [:O=N(-O:)(-O^{-})]$
$1$. For $SO_{3}$:
$[:O=S(-O:)(-O:)] \leftrightarrow [:O-S(=O:)(-O:)] \leftrightarrow [:O-S(-O:)(=O:)]$
$2$. For $NO_{2}$:
$[:O=N-O:] \leftrightarrow [:O-N=O:]$
$3$. For $NO_{3}^{-}$:
$[:O^{-}-N(=O:)(-O:)] \leftrightarrow [:O=N(-O^{-})(-O:)] \leftrightarrow [:O=N(-O:)(-O^{-})]$
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Which of the following statements are true for the nitrate ion $(NO_3^-)$?
$(a)$ The coordination number of $N$ is $3$,and the structure is trigonal planar.
$(b)$ The formal charge on $N$ is $+1$.
$(c)$ The average formal charge on each $O$ atom is $-2/3$.
$(d)$ The average bond order of the $NO$ bond is $4/3$.
$(e)$ All $NO$ bond lengths are identical due to resonance.
Select the correct code:
$(a)$ The coordination number of $N$ is $3$,and the structure is trigonal planar.
$(b)$ The formal charge on $N$ is $+1$.
$(c)$ The average formal charge on each $O$ atom is $-2/3$.
$(d)$ The average bond order of the $NO$ bond is $4/3$.
$(e)$ All $NO$ bond lengths are identical due to resonance.
Select the correct code:
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$(b)$ $CH_2=CH-CHO$
$(c)$ Aniline $(C_6H_5NH_2)$
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